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    Novel multipass absorption cell for carbon dioxide detection

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    Novel multipass.pdf (3.298Mb)
    Identificadores
    URI: http://hdl.handle.net/10902/4608
    DOI: 10.1117/12.456099
    ISSN: 1996-756X
    ISSN: 0277-786X
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    Author
    Conde Portilla, Olga MaríaAutoridad Unican; García Barrio, Sergio; García García, Roberto; Cobo García, AdolfoAutoridad Unican; López Higuera, José MiguelAutoridad Unican
    Date
    2002-02-18
    Derechos
    © 2002 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
    Publicado en
    Proceedings of SPIE, 2002, vol. 4578, 434-440
    Fiber Optic Sensor Technology and Applications 2001, Boston, MA
    Publisher
    SPIE Society of Photo-Optical Instrumentation Engineers
    Enlace a la publicación
    http://dx.doi.org/10.1117/12.456099
    Palabras clave
    Absorption
    Carbon dioxide
    Chemical compounds
    Contamination
    Infrared spectroscopy
    Pollution
    Simulations
    Transducers
    Abstract:
    Infrared Spectroscopy has been confirmed as an interesting technique in the process of environmental pollution monitoring. This detection technique is related to the absorption coefficient of each hazardous gaseous compound. When this coefficient is low, as in the case of carbon dioxide, or else, when the gas concentration is small, the transducer has to be designed in order to maximize the interaction between the gaseous compound and the light beam. In addition, the gas cell must be portable, low-size and cost effective. The multipass absorption cell presented in this communication satisfies both requirements, compact physical size and large interaction length. The design is based on a cylindrical cell with a reflective configuration. The dimensions of this cell are carefully adjusted in order to have a completely closed optical path around the contaminant. With this structure, an optical path about 313 cm. could be achieved with a physical size of 20 cm. In this communication, theoretical simulation and preliminary results will be presented to demonstrate the functionality and versatility of the developed gas cell.
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    UNIVERSIDAD DE CANTABRIA

    Repositorio realizado por la Biblioteca Universitaria utilizando DSpace software
    Contact Us | Send Feedback
    Metadatos sujetos a:licencia de Creative Commons Reconocimiento 3.0 España